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Çѱ¹¼öÀÚ¿øÇÐȸ / v.29, no.3, 1996³â, pp.217-228
¿ÜºÎÀü´Ü·Â Àû¿ë¿¡ ÀÇÇÑ ±ÕÀÏ´ëĪº¹´Ü¸é¿¡¼­ÀÇ ÇϵµÃßÀû
( Flow Routing in Prismatic Symmetrical Compound Channels by Applications of Apparent Shear Force )
Àü¹«°©;ÁöÈ«±â; ³ó¾îÃÌÁøÈï°ø»ç ³ó¾îÃÌ¿¬±¸¿ø Ã¥ÀÓ¿¬±¸¿ø;¿µ³²´ëÇб³ Åä¸ñ°øÇаú;
 
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Apparent Shea Force(ASF:¿ÜºÎÀü´Ü·Â) À» Àû¿ë ±ÕÀÏ´ëĪº¹´Ü¸éÀÇ ÇϵµÃßÀûÀ» À§ÇÑ »õ·Î¿î ÄÄÇ»ÅÍ ¸ðµ¨ ASFMCS°¡ °³¹ßµÇ¾ú´Ù. ±âº»°ø½ÄÀº Muskingum-Cunge¹æ¹ýÀÌ ÀÌ¿ëµÇ¾úÀ¸¸ç ASFFMCSÀÇ Æ¯Â¡Àº º¹Çմܸ鿡¼­ ÇϵµÃßÀûÀÌ ¼öÇàµÇ´Â °úÁ¤¿¡¼­ Áß¾ÓÀú¼öºÎ¿Í È«¼öÅÍ »çÀÌ¿¡ ¹ß»ýÇÏ´Â ASF°¡ °í·ÁµÇ¾ú´Ù. ºñ¼±Çü ¸Å°³º¯¼ö¸¦ Àû¿ëÇϰí À¯·®º¯È­¿¡ µû¶ó ½Ã°£°ú °ø°£ÀÇ Â÷ºÐÀÇ Å©±â°¡ º¯Çϵµ·Ï (Variable Time Step and Spatial step¹ý) ¸ðµ¨¸µÀÌ µÇ¾ú´Ù. ASFMCSÀÇ °á°ú´Â DAMBRK¿Í ±âÁ¸ÀÇ ´Ü¸éºÐ¸®¹ýÀ» »ç¿ëÇÑ GPMC ¸ðµ¨¿¡ ÀÇÇØ ¹ß»ýÇÑ ¼ö¹®°î¼±°ú ºñ±³µÇ¾ú´Ù. ASFMCS¿Í DAMBRKÀÇ °á°ú´Â °°Àº °æ°èÁ¶°Ç ¹× ÀÔ·ÂÁ¶°Ç¿¡ ´ëÇØ °ÅÀÇ °°Àº ¼ö¹®°î¼±À» ¹ß»ý½ÃÄ×À¸³ª GPMCÀÇ °á°ú¿Í´Â »ó´çÇÑ Â÷À̸¦ º¸¿´´Ù.
A new routing computer model for the symmetric compound channel called the ASFMCS (Apparent Shear Force Muskingum-Cung Method in Symmetry) is developed. The Muskingum-Cunge routing method is adapted. The Apparent Shear Force(ASF) between the deep main channel and shallow floodplain flow is introduced while the flow is routed. The nonlinear parameter method is applied. The temporal and spatial increments are varied according to the flow rate. The adaptation of above schemes is tested against the routed hydrographs using the DAMBRK model. The results of general routing practice of Muskingum-Cunge Method (GFMC) are also compared with those of the above two models. The results of the new model match remarkably well with those of DAMBRK. The routed hydrographs show smooth variation from the inflow boundary condition without any distortions caused by the difference of cross-section shape. However, the results of GPMC, showing earlier rising and falling of routed hydrograph, have considerable differences from those of the ASFMCS and DAMBRK.
 
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Çѱ¹¼öÀÚ¿øÇÐȸÁö / v.29, no.3, 1996³â, pp.217-228
Çѱ¹¼öÀÚ¿øÇÐȸ
ISSN : 1738-9488
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199611920097339)
¾ð¾î : ¿µ¾î
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